Home / 670,748.45-925,632.18-384,269.67

Finding the Fourth Proportional to 670,748.45, 925,632.18 and 384,269.67

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Solution

The fourth proportional to 670,748.45, 925,632.18 and 384,269.67 is: 530,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,748.45 : 925,632.18 = 384,269.67 : x
  2. Step 2: Convert to fraction form
    670,748.45/925,632.18 = 384,269.67/x
  3. Step 3: Cross multiply
    670,748.45x = 925,632.18 × 384,269.67
  4. Step 4: Simplify right side
    670,748.45x = 355,692,372,349.98
  5. Step 5: Solve for x
    x = 355,692,372,349.98/670,748.45
  6. Step 6: Final answer
    x = 530,291.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.